If we say that an object is 1,000 light-years away we see it
A) as it looked 1,000 years ago.
B) as it would appear to our ancestors 1,000 years ago.
C) as it looked 1,000 light-years ago.
D) as it is right now,but it appears 1,000 times dimmer.

Question

Quizplus · Accepted Answer

Light from an object 1,000 light-years away takes 1,000 years to reach us, so we see the object as it looked 1,000 years ago.

If We Say That an Object Is 1,000 Light-Years Away